I like the fact it can be used over a network, this can become very useful for some.

Product Features
- Fully functional single board computer running Linux with Java and C libraries. You can compile your own programs or customize the OS, and run it on the onboard memory.
- Easy to use configuration interface.
- 4 USB full-speed ports with built in support for web cameras and Phidget USB devices.
- Integrated PhidgetInterfaceKit 8/8/8.
- Ethernet port and included USB Wireless networking adapter. Remotely use attached Phidgets from another computer anywhere over the network.

Comes packaged with:
- Power Supply
- Cat-5e network cable
- A hardware mounting kit
- An 802.11b/g USB Wireless adapter
- A USB extender cable

Here are some links: